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4(Cr2Fe)O4 + 16 KOH + 7 O2 = 8 K2CrO4 + 2 Fe2O3 + 8 H2O
Eu2O3 + HI = EuI2 + H2O + I2 =>
Eu2O3 + 6 HI = 2 EuI2 + 3 H2O + I2
Mg + Zn(NO3)2 = Mg(NO3)2 + Zn =>
Mg + Zn(NO3)2 = Mg(NO3)2 + Zn
Al(NO3)3 + Sr(NO3)3 + CH4N2O = SrAl2O4 + H2O + CO2 + N2 =>
12 Al(NO3)3 + 6 Sr(NO3)3 + 46 CH4N2O = 6 SrAl2O4 + 92 H2O + 46 CO2 + 73 N2
Ca + O2 = CaO2 =>
Ca + O2 = CaO2
NaOCl + HCl = NaCl + HO + Cl =>
NaOCl + HCl = NaCl + HO + Cl
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
H2O2(aq) = H2O(aq) + O2(g) =>
2 H2O2(aq) = 2 H2O(aq) + O2(g)
VF5 + HI = V2I10 + HF =>
2 VF5 + 10 HI = V2I10 + 10 HF
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Zn + FeCl3 = ZnCl2 + Fe =>
3 Zn + 2 FeCl3 = 3 ZnCl2 + 2 Fe
Fe + H2SO2 = Fe3(SO2)3 + H2 =>
3 Fe + 3 H2SO2 = Fe3(SO2)3 + 3 H2
Zn(OH)2 + H3O = Zn + H2O =>
Zn(OH)2 + 2 H3O = Zn + 4 H2O
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Mn + O2 = MnO2 =>
Mn + O2 = MnO2
Zn + H2Br = ZnBr2 + H2 =>
Zn + 2 H2Br = ZnBr2 + 2 H2
CaI2 + (NH4)2CO3 = INH4 + CaCO3 =>
CaI2 + (NH4)2CO3 = 2 INH4 + CaCO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
calciumchloride + lithium = lithiumchloride + calcium =>
CaCl2 + 2 Li = 2 LiCl + Ca
CO2 + NH3 = OC(NH2)2 + H2O =>
CO2 + 2 NH3 = OC(NH2)2 + H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
H + S = H2S =>
2 H + S = H2S
KBr + NH3 = K2 + NH3Br =>
2 KBr + 2 NH3 = K2 + 2 NH3Br
H2SO4 + KI = K2SO4 + SH2 + I2 + H2O =>
5 H2SO4 + 8 KI = 4 K2SO4 + SH2 + 4 I2 + 4 H2O
Cu(NO3)2 + NH2CH2CO2 = [Cu(NH2CH2CO2)2] + NO3 =>
Cu(NO3)2 + 2 NH2CH2CO2 = [Cu(NH2CH2CO2)2] + 2 NO3
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
CO2 + N2 + H2O = (NH2)2CO + O2 =>
2 CO2 + 2 N2 + 4 H2O = 2(NH2)2CO + 3 O2
H3 + O3 = H2O =>
2 H3 + O3 = 3 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
Ag + Cr{+3} = Cr + Ag{+} =>
3 Ag + Cr{+3} = Cr + 3 Ag{+}
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
MgCl2 + Li2Co3 = MgCo3 + LiCl =>
MgCl2 + Li2Co3 = MgCo3 + 2 LiCl
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
(CH3)2 + NH + H2O = (CH3)2NH2 + OH =>
(CH3)2 + NH + H2O = (CH3)2NH2 + OH
NaBr + H2 = HBr + Na =>
2 NaBr + H2 = 2 HBr + 2 Na
HNO3 + H2SO4 = HSO4{-} + NO2{+} + H2O =>
HNO3 + H2SO4 = HSO4{-} + NO2{+} + H2O
H2Po5 + NaOH = Na2Po5 + H2O =>
H2Po5 + 2 NaOH = Na2Po5 + 2 H2O
FeS2 + Cl2 = FeCl3 + S2Cl =>
FeS2 + 2 Cl2 = FeCl3 + S2Cl
K2Cr2O7 + H2S = Cr(OH)3 + S + KHS + H2O =>
K2Cr2O7 + 5 H2S = 2 Cr(OH)3 + 3 S + 2 KHS + H2O
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
Cr0 + Sn2{+} = Cr3{+} + Sn0 =>
3 Cr0 + Sn2{+} = Cr3{+} + 2 Sn0
C2H2O4 + CH4O = C4H6O4 + H2O =>
C2H2O4 + 2 CH4O = C4H6O4 + 2 H2O
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
SnI2 + HgI2 = SnI4 + Hg2I2 =>
SnI2 + 2 HgI2 = SnI4 + Hg2I2
ZnH2SO3 = ZnSO3 + H2 =>
ZnH2SO3 = ZnSO3 + H2
Cu2SO4 + NaCl = Na2SO4 + CuCl =>
Cu2SO4 + 2 NaCl = Na2SO4 + 2 CuCl
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